1999 Ski-Doo Factory Shop Manual Volume Three, Page 195Get this manual
Section 05 TRANSMISSION Subsection 06 (BRAKE)
2, Brake Disc
Apply anti-seize lubricant (PN 413 701 000) on shaftThe disc hub exceeds the disc more from one side than from the otherInstall disc with the longer exceeding portion toward driven pulley-
CAUTION
Use only DOT brake fluidInstall hose on left side bleederRoute this hose to containerPump few times brake lever and while holding brake lever depressed, open bleeder and check for air to escapeRepeat with the same bleeder until no air appears in hoseProceed the same way with the right side bleederADJUSTMENT
Countershaft Bearing
Insert countershaft (with brake disc) from chaincase side through countershaft support (driven pulley side), then insert into chaincaseInstall countershaft bearing no4 and ensure that countershaft is properly aligned, then tighten retaining screwsNOTE: misaligned countershaft will result in difficulty to center the bearing in its supportRefer to DRIVE AXLE 07-03 then look Chaincase Perpendicularity AdjustmentTorque castellated nut of upper sprocket to 60 Nm (44 lbfft)